Dual-Layer Extraction Kit for Simultaneous Drug Residue Analysis
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Solution Overview
Problem
Current extraction kits and methods for detecting veterinary drug residues in food require different kits and methods for various types of residues, leading to inefficiencies and increased time and solvent consumption.
Innovation Solution
A kit comprising a pipe with two powder mixture layers, one containing anhydrous sodium sulfate and sodium chloride, and the other containing C18 powder and anhydrous sodium sulfate, which allows for the simultaneous extraction of multiple types of drug residues from livestock or poultry aquatic products, reducing solvent consumption and extraction time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If different extraction kits and methods are used for different types of veterinary drug residues, then detection accuracy for specific residues is improved, but device complexity and operation time increase
Solution Approach 1:
The patent creates a universal extraction kit that can detect multiple types of veterinary drug residues (sulfonamides, quinolones, ionic anticoccidial drugs, antiprotozoal agents, tetracyclines, receptors, and cephalosporins) using a single integrated system with two powder mixture layers, eliminating the need for multiple specialized kits while maintaining detection accuracy across all residue types
Solution Approach 2:
The patent combines multiple extraction capabilities into a single kit by merging two different powder mixture layers with complementary functions - the first layer handles certain drug types while the second layer handles others, allowing simultaneous extraction of 7-10 types of drug residues through one integrated system
2Measurement precision
If different extraction kits and methods are used for different types of veterinary drug residues, then detection accuracy for specific residues is improved, but operation time increases
Solution Approach 1:
The patent merges multiple extraction procedures into a single simultaneous extraction process using one kit with two powder layers, reducing operation time by 80-95% compared to sequential extraction methods while maintaining the ability to detect multiple drug residue types with high accuracy
3Adaptability or versatility
If traditional extraction methods are used for multiple drug residues, then comprehensive detection is achieved, but solvent consumption increases
Solution Approach 1:
The patent changes the physical and chemical parameters of the extraction system by using two distinct powder mixture layers with different compositions and properties, optimizing solvent interaction for multiple drug types simultaneously and reducing solvent consumption by 35-90% while maintaining comprehensive detection capability
4Adaptability or versatility
If traditional extraction methods are used for multiple drug residues, then comprehensive detection is achieved, but extraction time increases
Solution Approach 1:
The patent merges multiple extraction functions into a single simultaneous operation using one integrated kit with two powder layers, achieving comprehensive detection of 7-10 drug residue types while reducing extraction time by 80-95% compared to traditional sequential methods
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The kit enables the simultaneous detection of 7 to 10 types of drug residues with a 35-90% reduction in solvent consumption and an 80-95% reduction in extraction time, while maintaining the quality of the primary test liquid for accurate detection.
Implementation Method 1
The first powder mixture layer contains anhydrous sodium sulfate powder and sodium chloride powder
Implementation Method 2
The second powder mixture layer contains anhydrous sodium sulfate powder and C18 powder
Data Source
AI summary
A kit for extracting drug residues from livestock or poultry aquatic products according to the present disclosure includes a pipe, a first powder mixture layer and a second powder mixture layer. The pipe has an output port at the bottom thereof and an input port at the top thereof for inputting a sample solution. The first powder mixture layer is in the form of powder and filled in the pipe. The first powder mixture layer contains anhydrous sodium sulfate powder and sodium chloride powder. The second powder mixture layer is in the form of powder and filled in the pipe. The second powder mixture layer is located below the first powder mixture layer and above the output port. The second powder mixture layer contains anhydrous sodium sulfate powder and C18 powder. The present disclosure further provides a method of obtaining a primary test liquid from livestock or poultry aquatic products using the above kit.